<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>流星效果</title>
    <style>
        body {
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            background: radial-gradient(ellipse at bottom, #082653, #111);
            overflow: hidden;
          }
          
          .night {
            position: absolute; /* position: relative; */
            width: 100%;
            height: 100%;
            transform: rotateZ(140deg);
          }
          
          .star {
            position: absolute;
            left: 50%;
            top: 50%;
            height: 4px;
            background: linear-gradient(-45deg, #fff8b3, rgba(0, 0, 255, 0));
            border-radius: 999px;
            filter: drop-shadow(0 0 6px #dbda74);
            animation: tail 3s ease-in-out infinite, falling 3s ease-in-out infinite;
          }
          
          @keyframes tail {
            0% {
              width: 0;
            }
            30% {
              width: 100px;
            }
            100% {
              width: 0;
            }
          }
          
          @keyframes falling {
            0% {
              transform: translateX(0);
            }
            100% {
              transform: translateX(300px);
            }
          }
          
          .star::before,
          .star::after {
            content: '';
            position: absolute;
            top: calc(50% - 2px);
            right: 0;
            height: 4px;
            background: linear-gradient(
              -45deg,
              rgba(0, 0, 255, 0),
              #fff8b3,
              rgba(0, 0, 255, 0)
            );
            border-radius: 100%;
            transform: translateX(50%) rotateZ(45deg);
            animation: shining 3s ease-in-out infinite;
          }
          
          @keyframes shining {
            0% {
              width: 0;
            }
            50% {
              width: 30px;
            }
            100% {
              width: 0;
            }
          }
          
          .star::after {
            transform: translateX(50%) rotateZ(-45deg);
          }
          
          .star:nth-child(1) {
            top: calc(50% - 100px);
            left: calc(50% - 250px);
            animation-delay: 1s;
          }
          
          .star:nth-child(1)::before,
          .star:nth-child(1)::after {
            animation-delay: 1s;
          }
          
          .star:nth-child(2) {
            top: calc(50% - 50px);
            left: calc(50% - 200px);
            animation-delay: 1.2s;
          }
          
          .star:nth-child(2)::before,
          .star:nth-child(2)::after {
            animation-delay: 1.2s;
          }
          
          .star:nth-child(3) {
            top: calc(50% - 0px);
            left: calc(50% - 150px);
            animation-delay: 1.4s;
          }
          
          .star:nth-child(3)::before,
          .star:nth-child(3)::after {
            animation-delay: 1.4s;
          }
          
          .star:nth-child(4) {
            top: calc(50% - -50px);
            left: calc(50% - 200px);
            animation-delay: 1.6s;
          }
          
          .star:nth-child(4)::before,
          .star:nth-child(4)::after {
            animation-delay: 1.6s;
          }
          
          .star:nth-child(5) {
            top: calc(50% - -100px);
            left: calc(50% - 250px);
            animation-delay: 1.8s;
          }
          
          .star:nth-child(5)::before,
          .star:nth-child(5)::after {
            animation-delay: 1.8s;
          }
    </style>
  </head>
  <body>
    <div class="night">
      <div class="star"></div>
      <div class="star"></div>
      <div class="star"></div>
      <div class="star"></div>
      <div class="star"></div>
    </div>
  </body>
</html>